diff --git a/examples/lamp/src/main.rs b/examples/lamp/src/main.rs
index 1aaca90..f26daaa 100644
--- a/examples/lamp/src/main.rs
+++ b/examples/lamp/src/main.rs
@@ -8,7 +8,7 @@ use harmony::{
 
 #[tokio::main]
 async fn main() {
-    // This here is the whole configuration to 
+    // This here is the whole configuration to
     // - setup a local K3D cluster
     // - Build a docker image with the PHP project builtin and production grade settings
     // - Deploy a mariadb database using a production grade helm chart
diff --git a/harmony/src/domain/config.rs b/harmony/src/domain/config.rs
index 0fa059f..53d7446 100644
--- a/harmony/src/domain/config.rs
+++ b/harmony/src/domain/config.rs
@@ -6,8 +6,8 @@ lazy_static! {
         .unwrap()
         .data_dir()
         .join("harmony");
-    pub static ref REGISTRY_URL: String = std::env::var("HARMONY_REGISTRY_URL")
-        .unwrap_or_else(|_| "hub.nationtech.io".to_string());
+    pub static ref REGISTRY_URL: String =
+        std::env::var("HARMONY_REGISTRY_URL").unwrap_or_else(|_| "hub.nationtech.io".to_string());
     pub static ref REGISTRY_PROJECT: String =
         std::env::var("HARMONY_REGISTRY_PROJECT").unwrap_or_else(|_| "harmony".to_string());
 }
diff --git a/harmony/src/infra/opnsense/load_balancer.rs b/harmony/src/infra/opnsense/load_balancer.rs
index dd32a03..cae414a 100644
--- a/harmony/src/infra/opnsense/load_balancer.rs
+++ b/harmony/src/infra/opnsense/load_balancer.rs
@@ -370,10 +370,13 @@ mod tests {
         let result = get_servers_for_backend(&backend, &haproxy);
 
         // Check the result
-        assert_eq!(result, vec![BackendServer {
-            address: "192.168.1.1".to_string(),
-            port: 80,
-        },]);
+        assert_eq!(
+            result,
+            vec![BackendServer {
+                address: "192.168.1.1".to_string(),
+                port: 80,
+            },]
+        );
     }
     #[test]
     fn test_get_servers_for_backend_no_linked_servers() {
@@ -430,15 +433,18 @@ mod tests {
         // Call the function
         let result = get_servers_for_backend(&backend, &haproxy);
         // Check the result
-        assert_eq!(result, vec![
-            BackendServer {
-                address: "some-hostname.test.mcd".to_string(),
-                port: 80,
-            },
-            BackendServer {
-                address: "192.168.1.2".to_string(),
-                port: 8080,
-            },
-        ]);
+        assert_eq!(
+            result,
+            vec![
+                BackendServer {
+                    address: "some-hostname.test.mcd".to_string(),
+                    port: 80,
+                },
+                BackendServer {
+                    address: "192.168.1.2".to_string(),
+                    port: 8080,
+                },
+            ]
+        );
     }
 }
diff --git a/harmony/src/modules/dhcp.rs b/harmony/src/modules/dhcp.rs
index c6cc5f7..0112b41 100644
--- a/harmony/src/modules/dhcp.rs
+++ b/harmony/src/modules/dhcp.rs
@@ -166,7 +166,11 @@ impl DhcpInterpret {
             InterpretStatus::SUCCESS,
             format!(
                 "Dhcp Interpret Set next boot to [{:?}], boot_filename to [{:?}], filename to [{:?}], filename64 to [{:?}], filenameipxe to [:{:?}]",
-                self.score.boot_filename, self.score.boot_filename, self.score.filename, self.score.filename64, self.score.filenameipxe
+                self.score.boot_filename,
+                self.score.boot_filename,
+                self.score.filename,
+                self.score.filename64,
+                self.score.filenameipxe
             ),
         ))
     }
diff --git a/harmony/src/modules/mod.rs b/harmony/src/modules/mod.rs
index 90c224d..6a615c5 100644
--- a/harmony/src/modules/mod.rs
+++ b/harmony/src/modules/mod.rs
@@ -3,6 +3,7 @@ pub mod dns;
 pub mod dummy;
 pub mod helm;
 pub mod http;
+pub mod ipxe;
 pub mod k3d;
 pub mod k8s;
 pub mod lamp;
@@ -10,4 +11,3 @@ pub mod load_balancer;
 pub mod okd;
 pub mod opnsense;
 pub mod tftp;
-pub mod ipxe;
diff --git a/harmony/src/modules/okd/bootstrap_dhcp.rs b/harmony/src/modules/okd/bootstrap_dhcp.rs
index b2386af..c133ecf 100644
--- a/harmony/src/modules/okd/bootstrap_dhcp.rs
+++ b/harmony/src/modules/okd/bootstrap_dhcp.rs
@@ -46,7 +46,10 @@ impl OKDBootstrapDhcpScore {
                 None, // To allow UEFI boot we cannot provide a legacy file
                 Some("undionly.kpxe".to_string()),
                 Some("ipxe.efi".to_string()),
-                Some(format!("http://{}:8080/boot.ipxe", topology.router.get_gateway())),
+                Some(format!(
+                    "http://{}:8080/boot.ipxe",
+                    topology.router.get_gateway()
+                )),
             ),
         }
     }
diff --git a/opnsense-config-xml/src/data/opnsense.rs b/opnsense-config-xml/src/data/opnsense.rs
index aec4a51..be3e9af 100644
--- a/opnsense-config-xml/src/data/opnsense.rs
+++ b/opnsense-config-xml/src/data/opnsense.rs
@@ -1223,7 +1223,7 @@ pub struct Host {
     pub rr: String,
     pub mxprio: MaybeString,
     pub mx: MaybeString,
-    pub ttl: MaybeString,
+    pub ttl: Option<MaybeString>,
     pub server: String,
     pub description: Option<String>,
 }
@@ -1238,7 +1238,7 @@ impl Host {
             rr,
             server,
             mxprio: MaybeString::default(),
-            ttl: MaybeString::default(),
+            ttl: Some(MaybeString::default()),
             mx: MaybeString::default(),
             description: None,
         }